shaman

noun

1. A traditional faith healer.
2. A member of certain tribal societies who acts as a spiritual or religious medium between the concrete and spirit worlds; sometimes also a healer.

   “Near-synonyms: medicine man, medicine woman, priest-doctor, witch doctor”

   “Shepard: What rites did you go through to become chief shaman? Shaman: Becoming the shaman is excruciating. I passed through rites that made me wish to die. I carry the scars on my soul. Shaman: I must perform rites each dawn and dusk to keep me bound into our krogan nature. Our spirit is one of violence and death. I must be attuned to that.”